A morph off of the Roach which has increased stats and can use Corrosive Bile.

Ability – Corrosive Bile: Corrosive Bile is a mortar-style area of effect skill-shot which impacts after a short delay once fired. The impact strikes both air and ground units, destroying any Force Fields it comes in contact with.

New Unit: Lurker

Tier 2 siege unit that can perform a line-based area of effect ground attack while burrowed.

Morphs off of the Hydralisk, and requires a Lurker Den.

Roach

Tunneling Claws has been removed. Roaches can now always move while burrowed.